# GLM-5.3 BF16

GLM-5.3 BF16 is a model from Z.ai with open weights, first recorded on 7 Oct 2026; its release date is not established.

- Developer: Z.ai
- Id: zai-org/GLM-5.3-BF16
- Sighting: 2026-10-07T19:40:57.518Z
  - [evidence link](https://huggingface.co/zai-org/GLM-5.3-BF16)
- Status: Released
- Weights version: 2026-08-27
  - [evidence link](https://huggingface.co/api/models/zai-org/GLM-5.3-BF16/paths-info/abf42e6c0e53bc29a875511301e7b7fcd220315b)
- Canonical: https://alexgetman.com/models/z-ai/glm-5-3-bf16/

## Questions

### Are the weights of GLM-5.3 BF16 publicly available?

Yes. Z.ai publishes the weights.

### When was GLM-5.3 BF16 released?

Its release date is not established. Signal Forge first recorded it on 7 Oct 2026.

## Evidence links

- [hf-author-artifacts:zai-org](https://huggingface.co/api/models/zai-org/GLM-5.3-BF16/paths-info/abf42e6c0e53bc29a875511301e7b7fcd220315b)
- [huggingface:zai-org](https://huggingface.co/zai-org/GLM-5.3-BF16)

## Signals